Seiko Cal. 6666 - 731

This Spring Drive model from 1987 features a 45mm Titanium case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5d41e0ee2dc0]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1987

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